Yo y el mundo

Desde que el ser humano es tal, ha admirado, temido, incluso venerado a los animales. Esto tiene una explicacion: son una pieza clave en nuestra subsistencia como especie. Con excelentes fotografias e ilustraciones, el presente libro narra como nos hemos relacionado con los animales a traves de los siglos en los diferentes lugares del mundo. Book jacket.

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Describes the U.S. Navy's Blue Angels, including their planes, the formation and maneuvers of their air shows, and team member duties. Written in English and Spanish.

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.